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| Number | Title | Issue Date |
| 7459816 | Bidirectional coupling device with variable transmission characteristics A bidirectional flexible coupling device with variable transmission characteristics including one or multiple first input/out end and one or multiple second input/out end, indicating the transmission of specific or controllable flexibility or torque value when the f... | 12/02/2008 |
| 7455123 | Hand-held power tool with a torque-limiting unit A hand-held power tool has a motor output shaft, a tool driver, and a torque-limiting unit with which a maximum torque transferred from the motor output shaft to the tool driver is adjustable by an operator, the torque-limiting unit including a spring system, the sp... | 11/25/2008 |
| 7455157 | Ratcheting one-way clutch having rockers An overrunning clutch includes a cam plate formed with cams angularly spaced about a central axis, and a rocker plate that includes pockets angularly spaced about the central axis. Each pocket includes a first concave surface having a center located within the pocke... | 11/25/2008 |
| 7451863 | Hub driving assembly for transmitting a driving force from a sprocket to rotate a hub of a bicycle A hub driving assembly is adapted to uni-directionally transmit a driving force of a sprocket to rotate a hub, and includes a sprocket-mounting cylinder having retreat bores which respectively extend from a tubular end surface through an outer cylindrical surface, a... | 11/18/2008 |
| 7448483 | Clutch cooling grooves for uniform plate temperature in friction launch Clutch cooling grooves formed on a friction plate are provided. The grooves are shaped to provide for substantially uniform steel disk temperatures in friction launch of a vehicle. The grooves are shaped such that the largest cross-sectional area is located adjacent... | 11/11/2008 |
| 7445099 | Torque transmission device A torque transmission device includes a torque converter, a pump impeller, a turbine wheel and optionally a stator. The device also includes a converter bypass coupling having a flange which is connected to the housing or the pump impeller in a force-locking manner.... | 11/04/2008 |
| 7445100 | Low power modulating clutch control system A power transmission device includes a rotary input member adapted to receive drive torque from a source of torque, a rotary output member adapted to provide drive torque to an output device and a torque transfer mechanism operable to transferring drive torque from ... | 11/04/2008 |
| 7445106 | Electronically-controlled hydraulically-actuated coupling A power transmission device includes a friction clutch operable to selectively transfer torque between an input member and an output member. An actuator is operable to provide an actuating force to the friction clutch. The actuator includes an electric motor having ... | 11/04/2008 |
| 7445102 | Air turbine starter assembly An aircraft engine starter assembly provides for liquid cooling of the clutch assembly and overrunning engine by integrating a pitot pump in the system. The system includes a starter motor, a torque transfer connection, a clutch assembly and the pitot pump. The torq... | 11/04/2008 |
| 7445105 | Free coaster bicycle hub A free coaster bicycle wheel driving apparatus having a clutch that employs radially acting components. A drive sleeve has an inner cylindrical wall surface mounted coaxially about a wheel mounting shaft and an outer cylindrical wall surface that is eccentric relati... | 11/04/2008 |
| 7445101 | System and method for reversing the movement of a vehicle, in particular for an agricultural tractor System for reversing the movement of a vehicle, in particular for an agricultural tractor, comprising an electro-hydraulic reverser including a hydraulic clutch and a valve assembly able to activate the clutch in conditions of forward travel or of rearward travel an... | 11/04/2008 |
| 7434673 | Wet friction material In a segment-type wet friction material, an inner peripheral left corner of one segment piece and an inner peripheral right corner of another segment piece are respectively cut off at a fixed angle to a center line of an oil groove. The oil grooves have first oil gr... | 10/14/2008 |
| 7434671 | Overrunning clutch In an overrunning clutch comprising clamping elements (5) arranged behind one another in peripheral direction between a circular cylindrical inner ring (1) and a concentric outer ring (2), said clamping elements (5) being guided in pocket... | 10/14/2008 |
| 7431137 | Synchronizer for a manual transmission especially for a motor vehicle A synchronizer for a manual transmission with a first and second idler gears rotatably mounted on a transmission shaft with a synchronizer sleeve non-rotatably mounted on the transmission shaft such that it can shift axially. The sleeve can be coupled to the first o... | 10/07/2008 |
| 7431136 | Hand power tool with a clutch A hand power tool has a clutch, a motor, a drive shaft located at a side of the motor, a driven shaft to be located at a side of a workpiece, a clutch which couples the drive shaft and the driven shaft and enters into engagement when pressure is exerted on the drive... | 10/07/2008 |
| 7422094 | Clutch mechanism for power device A clutch mechanism of the present power device comprises a fixed gear member, a moving gear member engaged with the fixed gear member when moving to a clutch connecting position, an armature for moving the moving gear member to the clutch connecting position when ro... | 09/09/2008 |
| 7419041 | Main shaft dog clutch and method A transmission shaft is divided into a first shaft portion releasably connectable to a first electric motor/generator via a first gear set and a second shaft portion connected to a second electric motor/generator via a second gear set. The first and second shaft por... | 09/02/2008 |
| 7416070 | Clutch operator for a disconnectable clutch in motor vehicles A clutch operator for a disconnectable clutch useful in a motor vehicle, and having a self-adjusting release bearing supported on a housing and in the form of a rolling-contact bearing designed as an inclined-shoulder bearing. The bearing has an outer bearing ring, ... | 08/26/2008 |
| 7416067 | Power transmission unit The invention relates to a power transmission unit, in particular a multiple disk clutch or friction brake, in which a disk carrier that has at least one disk, which has external teeth and is fastened to it in a non-rotating fashion, which disk carrier, in a cylinde... | 08/26/2008 |
| 7416068 | Power take-off clutch control system Clutch control systems for a power take-off system of a vehicle, such as those employing all-wheel and four-wheel drive systems. The control system calculates the temperature of the clutch system, based on one or more vehicle operational parameters. If the clutch sy... | 08/26/2008 |
| 7416069 | Clutch arrangement in an automatic transmission having an installation space-saving coolant supply A clutch arrangement in an automatic transmission, comprising two axially adjacent multi-disk clutches (B, E) to each is assigned a piston/cylinder arrangement for axially actuating the clutch, a pressure compensation space for a dynamic clutch actuation pressure co... | 08/26/2008 |
| 7413066 | Hydraulically controlled torque coupling device A hydraulically actuated torque coupling device is provided for transmitting a drive torque from an input to at least one output. The torque coupling device comprises a rotatable hydraulic manifold block having a plurality of cylinder bores defined therein, a multi-... | 08/19/2008 |
| 7410042 | Self-energizing pump for overrunning clutch A pump includes a cam member and an armature plate received on an input shaft rotatably supported with a differential housing of a clutch. The pump also includes a cylinder rod slidingly received in a chamber of a master cylinder to pressurize a hydraulic fluid. The... | 08/12/2008 |
| 7410444 | Drive unit for a hybrid motor vehicle In a drive unit for a hybrid motor vehicle including an internal combustion engine and a dynamoelectric machine to be connected to a transmission of the motor vehicle, wherein the drive unit comprises an input shaft connected to the internal combustion engine, an ou... | 08/12/2008 |
| 7395909 | Dual function handlebar mounted actuator A dual function handlebar mounted actuator has first and second function operating devices arranged for activation by movement of a hand operated lever arrangement. The first and second functions operating devices are linked so that a combined first and second funct... | 07/08/2008 |
| 7395908 | Hydraulic system for providing pressures and volumetric flows in a dual clutch transmission The invention relates to a hydraulic system (1) for providing pressures and volumetric flows in a dual clutch transmission, in particular for providing a first volumetric flow for cooling and lubricating a first clutch (2) and for providing a second vo... | 07/08/2008 |
| 7395910 | Clutch with adjustable pack clearance The present invention allows for the pack clearance of a clutch pack to be adjusted during the manufacturing process to the proper amount, even if there are variations in friction disc thickness and steel disc thickness. The present invention is an electromagnetic c... | 07/08/2008 |
| 7392893 | Power unit cooling device A centrifugal fan is mounted to an inner plate of a centrifugal clutch as a heat-generating rotating device, and an intake port of a casing is formed near a front side in the axial direction of the centrifugal fan. The centrifugal fan includes a base plate connected... | 07/01/2008 |
| 7392891 | Friction plate for wet-type multiplate clutch A friction plate for a wet-type multiplate clutch provided with a core plate and friction linings fixed on opposite sides of the core plate, respectively. Each of the friction linings is formed such that at a section thereof located on a side radially inner than a r... | 07/01/2008 |
| 7389864 | One-way clutch spring A one-way clutch spring intended to reduce drag torque of one-way clutches. Tongues extend within pockets in which engagement members are disposed are bent in advance radially inward when they are disposed in an annular space so as to have bends at a proximal end an... | 06/24/2008 |
| 7387193 | Drum assembly for a coupling arrangement A drum assembly for use with a coupling arrangement includes an outer member and an inner member that is mountable on the outer member. The outer member includes first and second annular portions and an intermediate portion extending between the annular portions. Th... | 06/17/2008 |
| 7383930 | Overrunning clutch A one-way clutch includes a cam plate formed with notches, a rocker plate formed with pockets mutually spaced angularly about an axis, each pocket including an open axial end, and a surface that closes each pocket at an end opposite the open axial end of each pocket... | 06/10/2008 |
| 7383932 | Clutch hub A clutch hub provided with a side wall at an end of a cylindrical portion. The cylindrical portion is formed to have convexed and concaved portions to serve as a spline and an oil passage is formed on a tooth of the spline. An oil dam is formed by plastic deformatio... | 06/10/2008 |
| 7383931 | Synchronizing device for shiftable transmissions A synchronizing device for shiftable transmissions, comprising a synchronizer which is non-rotatably supported on a gear shaft and which comprises at least one recess for at least one thrust member. A sliding sleeve is arranged on the synchronizer and displaceable i... | 06/10/2008 |
| 7377343 | Centrifugal clutch A wheel drive assembly that can include a motor having an output shaft, a wheel mount that is adapted to have a wheel mounted thereto, a wheel shaft with a first end drivingly coupled to the wheel mount, and a clutch. The clutch can have a first body, a second body,... | 05/27/2008 |
| 7377373 | Hydraulic control apparatus for hydraulic power transmission with lock-up clutch Engagement, disengagement, and slip of a lock-up clutch can be controlled using two valves that are a lock-up relay valve and a linear solenoid valve. A lock-up control valve employed in a conventional hydraulic control apparatus can be eliminated, which simplifies ... | 05/27/2008 |
| 7370743 | Power transmitting apparatus A power transmitting apparatus has a clutch housing (2). A clutch member (4), connected to an output member (3), has a plurality of driven clutch plates (7) alternately arranged between driving clutch plates (6) of the clutch housi... | 05/13/2008 |
| 7367439 | Electromagnetic clutch with elastic member easily melted The electromagnetic clutch comprises a rotor connected to a drive source, an inner hub connected to a device that follows, an outer plate provided on the outside of the inner hub so as to enclose it, an armature coupled to the outer plate and opposing the rotor, an ... | 05/06/2008 |
| 7367440 | Variable engagement centrifugal clutch assembly A centrifugal clutch assembly includes a clutch cover attachable to a rotatable input member. Friction plates are clamped between pressure plates in response to rotation of the clutch assembly. Rotation of the clutch assembly causes at least one centrifugal weight t... | 05/06/2008 |
| 7360634 | Frictional engagement device A device for frictional inter-engagement between two mutually movable parts (13, 14). A lever mechanism exerts counter-directed pressing forces towards both parts to transfers movement between them. A lever (25) has a free lever end (27) contact... | 04/22/2008 |
